gear4.gms:

References:

• GAMS Development, Reformulation of Models from GAMS Library.
• GAMS Development, Reformulation of Models from MacMINLP.
• Deb, K, and Goyal, M, Optimizing Engineering Designs Using a Combined Genetic Search. In Back, T, Ed, Proceedings of the Seventh International Conference on Genetic Algorithms. 1997, pp. 521-528.
• Original source: GAMS model gear.gms from Gams Model Library and AMPL model geartrain.mod from MacMINLP

Point: p1 
Best known point (p1): Solution value 1.64 (global optimum, BARON certificate)